grpc/grpc-java

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The Java gRPC implementation. HTTP/2 based RPC

Stars: 12.1k
Forks: 4k
Open beginner issues: 1
Indexed issues: 447
Avg merge: 2d 17h
Merged PRs (30d): 37

Dominant language: Java
License: Apache-2.0
Last GitHub push: Sep 15, 2026
Latest indexed: Sep 17, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: help wanted good first issue

Open All

447 open issues indexed

Max concurrent global streams (on the server) so applications don't have to implement it: Open

enhancement

grpc/grpc-java#2784 · 7 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
CompletableFuture stubs Open

enhancement

grpc/grpc-java#2797 · 10 comments · 27 reactions · 0 assignees · Indexed Sep 17, 2026
Define Context semantics on client-side Open

grpc/grpc-java#2829 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Context in its own package? Open

grpc/grpc-java#2847 · 6 comments · 1 reaction · 0 assignees · Indexed Sep 17, 2026
Tracking issue for StreamTracer APIs being experimental Open

experimental API

grpc/grpc-java#2861 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
InternalSubChannel doesn't comply with the connectivity state spec Open

grpc/grpc-java#2873 · 4 comments · 0 reactions · 1 assignee · Indexed Sep 17, 2026
Use CodedInputStream.newInstance(ByteBuffer) for non-segmented messages Open

performance

grpc/grpc-java#2937 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Scala: Context propagation and async interceptors Open

help wanted

grpc/grpc-java#2984 · 5 comments · 3 reactions · 0 assignees · Indexed Sep 17, 2026
Remove internal-only methods from testing package Open

code health

grpc/grpc-java#3105 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Java performance benchmarks dirty shutdown Open

code health

grpc/grpc-java#3142 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Create @GrpcClass annotation processor hook for generated source files. Open

enhancement

grpc/grpc-java#3173 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
ClientCall.isReady() is true after ClientCall.halfClose() Open

usability

grpc/grpc-java#3201 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Lack of cache increases Kokoro flakiness Open

highly flaky

grpc/grpc-java#3284 · 107 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Prevent Access to "grpc-" headers Open

grpc/grpc-java#3290 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Resource leak in netty tests Open

bug

grpc/grpc-java#3353 · 42 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Investigate usage of deprecated ApplicationProtocolNegotiator Open

grpc/grpc-java#3406 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Feature: StatusException and StatusRuntimeException utility methods Open

enhancement

grpc/grpc-java#3425 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
grpc client sometimes stuck after connection reset Open

bug

grpc/grpc-java#3427 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Move Static factory methods off the class they construct. Open

gRPC 2.0 usability

grpc/grpc-java#3440 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Feature: Lifecycle events for service implementations Open

grpc/grpc-java#3449 · 10 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Proposal: Move forwarders into io.grpc.util Open

grpc/grpc-java#3455 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Auto detection and use of epoll for ELG Open

enhancement

grpc/grpc-java#3473 · 2 comments · 1 reaction · 0 assignees · Indexed Sep 17, 2026
Revisit the threading and ordering guarantees of StreamTracer Open

enhancement

grpc/grpc-java#3489 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 17, 2026
Utility class for automatically cancelling a context after an operation Open

grpc/grpc-java#3506 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Add best-effort detection of queuing to ThreadlessExecutor after draining complete Open

enhancement

grpc/grpc-java#3537 · 10 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Context/CancellableContext should provide a try-with-resources utility Open

grpc/grpc-java#3546 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Need lots more examples Open

Type: Documentation

grpc/grpc-java#3621 · 11 comments · 4 reactions · 0 assignees · Indexed Sep 17, 2026
Provide notification on call when transport is shut down Open

enhancement

grpc/grpc-java#3689 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Maybe add Status.withCode Open

grpc/grpc-java#3725 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Make ServerImpl's internalClose thread-safe Open

bug

grpc/grpc-java#3746 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Add Context.Key.create and createWithDefault Open

grpc/grpc-java#3822 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Reflection service does not consult ExtensionRegistry Open

bug

grpc/grpc-java#3836 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Support Digest Authentication for Proxies Open

enhancement

grpc/grpc-java#3842 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Netty Flow Control tests have data races Open

bug P3

grpc/grpc-java#3856 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Add dependencies checking between bazel and gradle? Open

code health

grpc/grpc-java#3918 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Validation support Open

enhancement

grpc/grpc-java#3926 · 13 comments · 11 reactions · 0 assignees · Indexed Sep 17, 2026
Tracking retry APIs being experimental Open

experimental API

grpc/grpc-java#3982 · 11 comments · 0 reactions · 1 assignee · Indexed Sep 17, 2026
Tracking issue for BinaryLog public API Open

experimental API

grpc/grpc-java#4017 · 10 comments · 0 reactions · 1 assignee · Indexed Sep 17, 2026
Maybe rename ClientInterceptor Open

gRPC 2.0

grpc/grpc-java#4026 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Tracking issue for Android connectivity management being experimental Open

experimental API

grpc/grpc-java#4056 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Tracking issue for ALTS API being experimental Open

experimental API

grpc/grpc-java#4151 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Tracking NameResolverProvider being experimental Open

experimental API

grpc/grpc-java#4159 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Tracking issue for channelz being experimental Open

experimental API

grpc/grpc-java#4206 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Extracting all keys from CallOptions objects Open

enhancement

grpc/grpc-java#4251 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
bazel rules_kotlin visibility issues. Open

grpc/grpc-java#4258 · 10 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Determine final NameResolver to LoadBalancer communication Open

grpc/grpc-java#4302 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 17, 2026
Handle run-away netty buffer thread-local caches Open

grpc/grpc-java#4317 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
FR: AutoClosable AttachedContext Open

enhancement

grpc/grpc-java#4329 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Add rest endpoint annotations for health.proto Open

enhancement

grpc/grpc-java#4356 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Stabilize channel state API Open

experimental API

grpc/grpc-java#4359 · 7 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026

grpc/grpc-java

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